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In-s [12.5K]
3 years ago
15

Help with thisssssss

Mathematics
2 answers:
antoniya [11.8K]3 years ago
8 0

Answer:

Look at this given and find your answer.

Step-by-step explanation:

Hope it helps you!!

Galina-37 [17]3 years ago
6 0

Answer:

She made a mistake in step 3

She simplified the 3^-8 incorrectly

she should've added them

the answer is 3^24 if you need that

Step-by-step explanation:

using the following rule

b/x^{-n}=bx^n

we can see that she made a made a mistake in step 3 when simplifying

she should've added 3^8 to 3^16 rather than subtracting them

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State the domain of the rational function
guajiro [1.7K]

The rational function is defined as a polynomial of two parts. That is numerator and denominator i.e., denominator should not be zero.

Step-by-step explanation:

       The given function is f(x)=13/10-x

Step:1

     apply values to the term x in the given function,

     Take X=1,

      the equation becomes

      f(1)=13/10-1

      f(1)=1.444

      Take X=2,

      the equation becomes,

      f(2)=13/10-8

      f(2)=1.625

similarly,

     f(3)=1.857,

     f(4)=2.167,

     f(5)=2.60,

     f(6)=3.25,

     f(7)=4.33,

     f(8)=6.50,

     f(9)=13,

but for f(10)= 13/10-10

           f(10)=∞

    f(11)=-13,

     f(12)=-6.5,

     f(13)=4.33,.. etc

so, f(x) is positive when the X value is less than 10.

     f(x) is negative when the X value is more than 10.

but f(10)=∞ is never possible

     Therefore, all the numbers are correctly apted expect zero

7 0
4 years ago
Can somebody plz help answer all the questions correctly thanks a lot !!!
Lady_Fox [76]

Answer:

7. 250%

8. 400%

9. 667%

10. 769%

11. 263%

12. 125%

13. 137%

14. 526%

Step-by-step explanation:

divide the first number by the second number, then multiply that answer by 100

so kind of like: Number1 ÷ Number2 = x

then you do x × 100

and that's your answer

(all of my answers are rounded to the nearest percent)

3 0
3 years ago
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Suppose that l lines are drawn through a circle and these lines form p points of intersection (involving exactly two lines at ea
zhenek [66]

Over which interval(s) is the function decreasing?


8 0
3 years ago
(6x + 7) - (9x + 9) simpilest form pls
My name is Ann [436]

Answer:

-3x+16

Step-by-step explanation:

7 0
3 years ago
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Mikayla withdraws $20 on 4 different days durin the week.Find the total change in her account balance after the withdrawls.
Stells [14]

Wait what did she have in her account? We need to know to answer.

7 0
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